Wow, nicely caught on film! Amazing clouds formed over Moscow and scared the bujezzus out of folks. I suppose you see why. According to a Russian weather forecaster, “this is purely an optical effect” caused by several fronts, arctic air and sun from the west.

Via Telegraph.co.uk

Utilizing the Coanda effect to achieve it’s vertical flight patterns, the GFS-UAV from last year proved to be a pretty damn interesting experiment in air-flight and engineering. Having been tested by various military and private organizations, this one nifty little remote controlled spy-bot in the making. With silent running flight, some stealth skin and a long-range receiver and video transmission setup, I could see this little puppy flying over cities or large gatherings making people think the Xenu is preparing an invasion.

See more: The GFS-UAV project